#139523
Closest named color: Irish Green (#019529). oklch(58.4% 0.183 143.9), rgb(19, 149, 35).
Aa
Black text reads best on this color (5.35:1).
About this color
#139523 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.183 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Irish Green (#019529), ΔE 0.005 away. Black text reads best on it, at 5.35:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Irish Green (#019529) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #139523 |
| RGB | rgb(19, 149, 35) |
| HSL | hsl(127, 77%, 33%) |
| OKLCH | oklch(58.4% 0.183 143.9) |
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 #139523 | 3.92:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #139523 | 5.35:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #139523 text on white | 3.92:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #139523 text on black | 5.35:1 | AA | Lc -35.6 | 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
#C8E2C6
oklch(88.6% 0.047 143.2)
-
Step 300
300
#A1CF9F
oklch(80.9% 0.082 143.7)
-
Step 400
400
#6AB66A
oklch(70.8% 0.132 144)
-
Step 500
500
#3AA23F
oklch(63% 0.168 144)
-
Step 600
600 (this color)
#139523
oklch(58.4% 0.183 143.9)
-
Step 700
700
#007614
oklch(49.1% 0.16 143.9)
-
Step 800
800
#00610E
oklch(42.8% 0.139 143.9)
-
Step 900
900
#105015
oklch(37.8% 0.11 144)
-
Step 950
950
#0C2F0E
oklch(27.1% 0.07 144.3)
#139523 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) | #98860B | 0.133 |
| Deuteranopia (no green cones) | #8B7D30 | 0.133 |
| Tritanopia (no blue cones) | #00917F | 0.115 |
| Achromatopsia (no color) | #808080 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #139523
#139523
oklch(58.4% 0.183 143.9)
- #AE4CB7
#AE4CB7
oklch(58.4% 0.184 324.2)
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 #139523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Irish Green #019529 ΔE 0.005
- True Green #089404 ΔE 0.014
- Kelley Green #009337 ΔE 0.018
- Emerald Green #028F1E ΔE 0.019
- Forest Green #228B22 ΔE 0.030
- Grass Green #3F9B0B ΔE 0.032
- Grassy Green #419C03 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.052
Use #139523 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.