#159B63
Closest named color: Viridian (#1E9167). oklch(61% 0.137 158.3), rgb(21, 155, 99).
Aa
Black text reads best on this color (5.90:1).
About this color
#159B63 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.137 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.033 away. Black text reads best on it, at 5.90:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.90:1 |
| White text | 3.55:1 |
Values
| HEX | #159B63 |
| RGB | rgb(21, 155, 99) |
| HSL | hsl(155, 76%, 35%) |
| OKLCH | oklch(61% 0.137 158.3) |
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 #159B63 | 3.55:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #159B63 | 5.90:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #159B63 text on white | 3.55:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #159B63 text on black | 5.90:1 | AA | Lc -39.0 | 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 500.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E0EEE5
oklch(93.6% 0.019 157.9)
-
Step 200
200
#C6E1D0
oklch(88.5% 0.037 157.9)
-
Step 300
300
#9CCEB1
oklch(80.8% 0.066 159.1)
-
Step 400
400
#61B587
oklch(70.7% 0.107 158.1)
-
Step 500
500 (this color)
#159B63
oklch(61% 0.137 158.3)
-
Step 600
600
#008956
oklch(55.5% 0.129 158.6)
-
Step 700
700
#007447
oklch(49.2% 0.115 158)
-
Step 800
800
#005F3A
oklch(42.8% 0.099 158.5)
-
Step 900
900
#004F2F
oklch(37.7% 0.088 158.2)
-
Step 950
950
#062F1C
oklch(27.2% 0.057 158.4)
#159B63 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) | #998E5F | 0.126 |
| Deuteranopia (no green cones) | #8B8367 | 0.125 |
| Tritanopia (no blue cones) | #009A8D | 0.062 |
| Achromatopsia (no color) | #888888 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #159B63
#159B63
oklch(61% 0.137 158.3)
- #B65F9F
#B65F9F
oklch(60.9% 0.137 338.1)
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 #159B63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.033
- Ocean Green #3D9973 ΔE 0.034
- Jade #1FA774 ΔE 0.038
- Light Forest Green #4F9153 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.046
- Fern Green #548D44 ΔE 0.051
- Kelley Green #009337 ΔE 0.053
- Muted Green #5FA052 ΔE 0.054
Use #159B63 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.