#129454
Closest named color: Sea Green (#2E8B57). oklch(58.7% 0.142 154.4), rgb(18, 148, 84).
Aa
Black text reads best on this color (5.38:1).
About this color
#129454 is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.142 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 0.030 away. Black text reads best on it, at 5.38:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.38:1 |
| White text | 3.89:1 |
Values
| HEX | #129454 |
| RGB | rgb(18, 148, 84) |
| HSL | hsl(150, 78%, 33%) |
| OKLCH | oklch(58.7% 0.142 154.4) |
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 #129454 | 3.89:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #129454 | 5.38:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #129454 text on white | 3.89:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #129454 text on black | 5.38:1 | AA | Lc -35.8 | 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
#6AB484
oklch(70.8% 0.103 154.4)
-
Step 500
500
#39A064
oklch(63.1% 0.131 154.2)
-
Step 600
600 (this color)
#129454
oklch(58.7% 0.142 154.4)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#005F33
oklch(42.6% 0.106 154.6)
-
Step 900
900
#0F4E2C
oklch(37.6% 0.085 154.5)
-
Step 950
950
#0C2E1A
oklch(27% 0.054 154.4)
#129454 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) | #94874F | 0.125 |
| Deuteranopia (no green cones) | #867D58 | 0.123 |
| Tritanopia (no blue cones) | #009284 | 0.071 |
| Achromatopsia (no color) | #818181 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129454
#129454
oklch(58.7% 0.142 154.4)
- #AE589E
#AE589E
oklch(58.7% 0.142 334.7)
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 #129454, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.030
- Viridian #1E9167 ΔE 0.031
- Kelley Green #009337 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.036
- Fern Green #548D44 ΔE 0.041
- Irish Green #019529 ΔE 0.047
- Forest Green #228B22 ΔE 0.050
- Ocean Green #3D9973 ΔE 0.051
Use #129454 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.