#42AA76
Closest named color: Dark Seafoam Green (#3EAF76). oklch(66.4% 0.124 158.3), rgb(66, 170, 118).
Aa
Black text reads best on this color (7.24:1).
About this color
#42AA76 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.124 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.015 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #42AA76 |
| RGB | rgb(66, 170, 118) |
| HSL | hsl(150, 44%, 46%) |
| OKLCH | oklch(66.4% 0.124 158.3) |
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 #42AA76 | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #42AA76 | 7.24:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #42AA76 text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #42AA76 text on black | 7.24:1 | AAA | Lc -46.8 | Large or bold text, headings |
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
#E1EEE5
oklch(93.7% 0.018 155.8)
-
Step 200
200
#C7E0D1
oklch(88.4% 0.033 159.3)
-
Step 300
300
#A0CDB2
oklch(80.9% 0.061 158.4)
-
Step 400
400
#68B38A
oklch(70.6% 0.097 158.7)
-
Step 500
500 (this color)
#42AA76
oklch(66.4% 0.124 158.3)
-
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
#0D4E31
oklch(37.7% 0.08 158.5)
-
Step 950
950
#0B2E1D
oklch(27% 0.051 158.7)
#42AA76 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) | #A99E73 | 0.116 |
| Deuteranopia (no green cones) | #9A9479 | 0.111 |
| Tritanopia (no blue cones) | #10A99C | 0.056 |
| Achromatopsia (no color) | #989898 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42AA76
#42AA76
oklch(66.4% 0.124 158.3)
- #C474AD
#C474AD
oklch(66.4% 0.123 338.5)
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 #42AA76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.015
- Bluey Green #2BB179 ΔE 0.021
- Jade #1FA774 ΔE 0.021
- Seaweed Green #35AD6B ΔE 0.022
- Algae #54AC68 ΔE 0.023
- Jade Green #2BAF6A ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.029
- Tea #65AB7C ΔE 0.032
Use #42AA76 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.