#42A461
Closest named color: Seaweed Green (#35AD6B). oklch(64.4% 0.136 151.1), rgb(66, 164, 97).
Aa
Black text reads best on this color (6.71:1).
About this color
#42A461 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.136 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.025 away. Black text reads best on it, at 6.71:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 6.71:1 |
| White text | 3.12:1 |
Values
| HEX | #42A461 |
| RGB | rgb(66, 164, 97) |
| HSL | hsl(139, 43%, 45%) |
| OKLCH | oklch(64.4% 0.136 151.1) |
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 #42A461 | 3.12:1 | AA large text | Lc -63.4 | Content text, not long reading |
| Black text on #42A461 | 6.71:1 | AA | Lc 46.0 | Large or bold text, headings |
| #42A461 text on white | 3.12:1 | AA large text | Lc 58.0 | Large or bold text, headings |
| #42A461 text on black | 6.71:1 | AA | Lc -43.7 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CD
oklch(88.6% 0.038 151.3)
-
Step 300
300
#A2CDAB
oklch(80.8% 0.066 151)
-
Step 400
400
#6CB47E
oklch(70.8% 0.107 150.9)
-
Step 500
500 (this color)
#42A461
oklch(64.4% 0.136 151.1)
-
Step 600
600
#068A43
oklch(55.5% 0.147 151.2)
-
Step 700
700
#007537
oklch(49.2% 0.132 151.1)
-
Step 800
800
#02602C
oklch(42.8% 0.114 151)
-
Step 900
900
#134E28
oklch(37.6% 0.088 151.2)
-
Step 950
950
#0E2E18
oklch(27% 0.056 151.2)
#42A461 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) | #A5975C | 0.115 |
| Deuteranopia (no green cones) | #988E65 | 0.113 |
| Tritanopia (no blue cones) | #25A293 | 0.072 |
| Achromatopsia (no color) | #929292 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A461
#42A461
oklch(64.4% 0.136 151.1)
- #BB6CB3
#BB6CB3
oklch(64.3% 0.136 330.8)
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 #42A461, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.025
- Jade #1FA774 ΔE 0.025
- Muted Green #5FA052 ΔE 0.026
- Algae #54AC68 ΔE 0.030
- Jade Green #2BAF6A ΔE 0.031
- Mid Green #50A747 ΔE 0.033
- Dark Seafoam Green #3EAF76 ΔE 0.035
- Off Green #6BA353 ΔE 0.036
Use #42A461 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.