#19901D
Closest named color: Emerald Green (#028F1E). oklch(57% 0.18 143.1), rgb(25, 144, 29).
Aa
Black text reads best on this color (5.04:1).
About this color
#19901D is a medium-dark, vivid green. In OKLCH its lightness is 57%, its chroma 0.180 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald Green (#028F1E), ΔE 0.007 away. Black text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Emerald Green (#028F1E) |
| Black text | 5.04:1 |
| White text | 4.15:1 |
Values
| HEX | #19901D |
| RGB | rgb(25, 144, 29) |
| HSL | hsl(122, 70%, 33%) |
| OKLCH | oklch(57% 0.18 143.1) |
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 #19901D | 4.15:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #19901D | 5.04:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #19901D text on white | 4.15:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #19901D text on black | 5.04:1 | AA | Lc -33.6 | 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
#E1EEE0
oklch(93.6% 0.023 143.4)
-
Step 200
200
#C8E1C6
oklch(88.4% 0.045 143.2)
-
Step 300
300
#A2CF9F
oklch(81% 0.082 143.2)
-
Step 400
400
#6DB56A
oklch(70.7% 0.129 143.2)
-
Step 500
500
#40A23E
oklch(63.2% 0.166 143)
-
Step 600
600 (this color)
#19901D
oklch(57% 0.18 143.1)
-
Step 700
700
#007609
oklch(49.1% 0.164 143)
-
Step 800
800
#07610C
oklch(42.8% 0.139 143.1)
-
Step 900
900
#144F14
oklch(37.6% 0.108 143.1)
-
Step 950
950
#0E2E0E
oklch(26.8% 0.067 143.4)
#19901D 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) | #938200 | 0.127 |
| Deuteranopia (no green cones) | #87792B | 0.128 |
| Tritanopia (no blue cones) | #008C7B | 0.115 |
| Achromatopsia (no color) | #7C7C7C | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19901D
#19901D
oklch(57% 0.18 143.1)
- #A74AB3
#A74AB3
oklch(57% 0.179 323)
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 #19901D, closest first.
No curated palette has a color within ΔE 0.04 of #19901D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald Green #028F1E ΔE 0.007
- Irish Green #019529 ΔE 0.014
- Forest Green #228B22 ΔE 0.016
- True Green #089404 ΔE 0.017
- Kelley Green #009337 ΔE 0.019
- Grass Green #3F9B0B ΔE 0.043
- Dark Grass Green #388004 ΔE 0.046
- Grassy Green #419C03 ΔE 0.047
Use #19901D 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.