#129151
Closest named color: Sea Green (#2E8B57). oklch(57.8% 0.141 153.9), rgb(18, 145, 81).
Aa
Black text reads best on this color (5.19:1).
About this color
#129151 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.141 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.025 away. Black text reads best on it, at 5.19:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.19:1 |
| White text | 4.04:1 |
Values
| HEX | #129151 |
| RGB | rgb(18, 145, 81) |
| HSL | hsl(150, 78%, 32%) |
| OKLCH | oklch(57.8% 0.141 153.9) |
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 #129151 | 4.04:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #129151 | 5.19:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #129151 text on white | 4.04:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #129151 text on black | 5.19:1 | AA | Lc -34.5 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E0CF
oklch(88.4% 0.034 154.8)
-
Step 300
300
#A1CDAE
oklch(80.8% 0.064 154.1)
-
Step 400
400
#6BB383
oklch(70.6% 0.102 153.8)
-
Step 500
500
#3BA064
oklch(63.1% 0.13 153.9)
-
Step 600
600 (this color)
#129151
oklch(57.8% 0.141 153.9)
-
Step 700
700
#00743E
oklch(49% 0.124 153.9)
-
Step 800
800
#005F32
oklch(42.6% 0.107 154.1)
-
Step 900
900
#114E2C
oklch(37.6% 0.084 154.1)
-
Step 950
950
#0D2E1A
oklch(27% 0.054 153.9)
#129151 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) | #91844C | 0.124 |
| Deuteranopia (no green cones) | #837A55 | 0.121 |
| Tritanopia (no blue cones) | #008F81 | 0.071 |
| Achromatopsia (no color) | #7E7E7E | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129151
#129151
oklch(57.8% 0.141 153.9)
- #AA569C
#AA569C
oklch(57.8% 0.141 333.8)
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 #129151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.025
- Viridian #1E9167 ΔE 0.031
- Kelley Green #009337 ΔE 0.033
- Light Forest Green #4F9153 ΔE 0.038
- Fern Green #548D44 ΔE 0.040
- Forest Green #228B22 ΔE 0.045
- Jungle Green #048243 ΔE 0.046
- Irish Green #019529 ΔE 0.047
Use #129151 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.