#158B4F
Closest named color: Sea Green (#2E8B57). oklch(56.1% 0.135 154.3), rgb(21, 139, 79).
Aa
Black text reads best on this color (4.83:1).
About this color
#158B4F is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.135 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 0.017 away. Black text reads best on it, at 4.83:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.83:1 |
| White text | 4.34:1 |
Values
| HEX | #158B4F |
| RGB | rgb(21, 139, 79) |
| HSL | hsl(149, 74%, 31%) |
| OKLCH | oklch(56.1% 0.135 154.3) |
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 #158B4F | 4.34:1 | AA large text | Lc -75.1 | Fine for body text |
| Black text on #158B4F | 4.83:1 | AA | Lc 34.5 | Non-text elements, placeholder text |
| #158B4F text on white | 4.34:1 | AA large text | Lc 69.6 | Content text, not long reading |
| #158B4F text on black | 4.83:1 | AA | Lc -32.1 | 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
#E1EDE5
oklch(93.5% 0.017 156.9)
-
Step 200
200
#C9E0CF
oklch(88.5% 0.034 153.6)
-
Step 300
300
#A3CDAF
oklch(81% 0.061 153.8)
-
Step 400
400
#6EB385
oklch(70.8% 0.098 154)
-
Step 500
500
#419F66
oklch(63.1% 0.124 154)
-
Step 600
600 (this color)
#158B4F
oklch(56.1% 0.135 154.3)
-
Step 700
700
#00743F
oklch(49.1% 0.123 154.3)
-
Step 800
800
#085F34
oklch(42.8% 0.104 154.4)
-
Step 900
900
#154E2D
oklch(37.8% 0.081 153.9)
-
Step 950
950
#0F2E1B
oklch(27.2% 0.051 154.1)
#158B4F 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) | #8B7F4B | 0.118 |
| Deuteranopia (no green cones) | #7E7553 | 0.117 |
| Tritanopia (no blue cones) | #00897C | 0.068 |
| Achromatopsia (no color) | #797979 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #158B4F
#158B4F
oklch(56.1% 0.135 154.3)
- #A35395
#A35395
oklch(56.2% 0.135 334.2)
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 #158B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.017
- Jungle Green #048243 ΔE 0.030
- Viridian #1E9167 ΔE 0.034
- Kelley Green #009337 ΔE 0.042
- Fern Green #548D44 ΔE 0.044
- Light Forest Green #4F9153 ΔE 0.045
- Forest Green #228B22 ΔE 0.046
- Dark Sage #598556 ΔE 0.054
Use #158B4F 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.