#129256
Closest named color: Sea Green (#2E8B57). oklch(58.2% 0.138 155.5), rgb(18, 146, 86).
Aa
Black text reads best on this color (5.27:1).
About this color
#129256 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.138 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.023 away. Black text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Values
| HEX | #129256 |
| RGB | rgb(18, 146, 86) |
| HSL | hsl(152, 78%, 32%) |
| OKLCH | oklch(58.2% 0.138 155.5) |
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 #129256 | 3.98:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #129256 | 5.27:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #129256 text on white | 3.98:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #129256 text on black | 5.27:1 | AA | Lc -35.0 | 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
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C8E0D0
oklch(88.4% 0.034 156.5)
-
Step 300
300
#A1CDB0
oklch(80.9% 0.062 155.9)
-
Step 400
400
#6BB386
oklch(70.7% 0.099 155.5)
-
Step 500
500
#3AA067
oklch(63.2% 0.128 155.3)
-
Step 600
600 (this color)
#129256
oklch(58.2% 0.138 155.5)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#104E2E
oklch(37.7% 0.082 155.7)
-
Step 950
950
#0D2E1B
oklch(27.1% 0.053 155.1)
#129256 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) | #918552 | 0.123 |
| Deuteranopia (no green cones) | #837B5A | 0.121 |
| Tritanopia (no blue cones) | #009083 | 0.068 |
| Achromatopsia (no color) | #7F7F7F | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129256
#129256
oklch(58.2% 0.138 155.5)
- #AC589A
#AC589A
oklch(58.3% 0.137 335.9)
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 #129256, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.023
- Viridian #1E9167 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.036
- Kelley Green #009337 ΔE 0.038
- Fern Green #548D44 ΔE 0.041
- Jungle Green #048243 ΔE 0.050
- Ocean Green #3D9973 ΔE 0.050
- Forest Green #228B22 ΔE 0.052
Use #129256 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.