#15900E
Closest named color: Emerald Green (#028F1E). oklch(56.9% 0.186 142.3), rgb(21, 144, 14).
Aa
Black text reads best on this color (5.02:1).
About this color
#15900E is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.186 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.009 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.186) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #15900E |
| RGB | rgb(21, 144, 14) |
| HSL | hsl(117, 82%, 31%) |
| OKLCH | oklch(56.9% 0.186 142.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #15900E | 4.17:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #15900E | 5.02:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #15900E text on white | 4.17:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #15900E text on black | 5.02:1 | AA | Lc -33.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F1F7F1
oklch(97% 0.01 145.5)
-
Step 100
100
#E1EEDF
oklch(93.5% 0.024 141.5)
-
Step 200
200
#C8E1C5
oklch(88.4% 0.046 142.2)
-
Step 300
300
#A2CF9D
oklch(80.9% 0.084 142.2)
-
Step 400
400
#6CB566
oklch(70.6% 0.133 142.4)
-
Step 500
500
#3EA238
oklch(63.1% 0.172 142.4)
-
Step 600
600 (this color)
#15900E
oklch(56.9% 0.186 142.3)
-
Step 700
700
#057600
oklch(49.1% 0.166 142.2)
-
Step 800
800
#056101
oklch(42.8% 0.144 142.2)
-
Step 900
900
#134F10
oklch(37.6% 0.111 142.4)
-
Step 950
950
#0E2F0C
oklch(27.1% 0.071 142.4)
#15900E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #938100 | 0.131 |
| Deuteranopia (no green cones) | #877922 | 0.130 |
| Tritanopia (no blue cones) | #008B7A | 0.123 |
| Achromatopsia (no color) | #7C7C7C | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15900E
#15900E
oklch(56.9% 0.186 142.3)
- #A847B6
#A847B6
oklch(56.9% 0.187 322.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #15900E, closest first.
No curated palette has a color within ΔE 0.04 of #15900E.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.009
- True Green #089404 ΔE 0.013
- Irish Green #019529 ΔE 0.018
- Forest Green #228B22 ΔE 0.021
- Kelley Green #009337 ΔE 0.026
- Grass Green #3F9B0B ΔE 0.043
- Grassy Green #419C03 ΔE 0.047
- Dark Grass Green #388004 ΔE 0.048
Use #15900E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.