#158E53
Closest named color: Sea Green (#2E8B57). oklch(57.1% 0.135 155.1), rgb(21, 142, 83).
Aa
Black text reads best on this color (5.02:1).
About this color
#158E53 is a medium-dark, moderately saturated green. In OKLCH its lightness is 57%, its chroma 0.135 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.016 away. Black text reads best on it, at 5.02:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.02:1 |
| White text | 4.17:1 |
Values
| HEX | #158E53 |
| RGB | rgb(21, 142, 83) |
| HSL | hsl(151, 74%, 32%) |
| OKLCH | oklch(57.1% 0.135 155.1) |
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 #158E53 | 4.17:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #158E53 | 5.02:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #158E53 text on white | 4.17:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #158E53 text on black | 5.02:1 | AA | Lc -33.4 | 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
#C9E0D0
oklch(88.5% 0.033 155.3)
-
Step 300
300
#A2CDB0
oklch(80.9% 0.061 155.3)
-
Step 400
400
#6DB386
oklch(70.8% 0.097 154.9)
-
Step 500
500
#3E9F68
oklch(63.1% 0.124 155.4)
-
Step 600
600 (this color)
#158E53
oklch(57.1% 0.135 155.1)
-
Step 700
700
#007441
oklch(49.1% 0.121 155.2)
-
Step 800
800
#045F35
oklch(42.7% 0.103 155.3)
-
Step 900
900
#134E2E
oklch(37.7% 0.081 155.1)
-
Step 950
950
#0E2E1B
oklch(27.1% 0.052 154.7)
#158E53 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) | #8D824F | 0.119 |
| Deuteranopia (no green cones) | #807857 | 0.117 |
| Tritanopia (no blue cones) | #008C7F | 0.066 |
| Achromatopsia (no color) | #7C7C7C | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #158E53
#158E53
oklch(57.1% 0.135 155.1)
- #A75597
#A75597
oklch(57.1% 0.136 335)
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 #158E53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.016
- Viridian #1E9167 ΔE 0.028
- Jungle Green #048243 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.039
- Kelley Green #009337 ΔE 0.041
- Fern Green #548D44 ΔE 0.041
- Forest Green #228B22 ΔE 0.049
- Dark Sage #598556 ΔE 0.054
Use #158E53 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.