#42A359
Closest named color: Muted Green (#5FA052). oklch(63.9% 0.142 148.7), rgb(66, 163, 89).
Aa
Black text reads best on this color (6.61:1).
About this color
#42A359 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.142 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.024 away. Black text reads best on it, at 6.61:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #42A359 |
| RGB | rgb(66, 163, 89) |
| HSL | hsl(134, 42%, 45%) |
| OKLCH | oklch(63.9% 0.142 148.7) |
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 #42A359 | 3.17:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #42A359 | 6.61:1 | AA | Lc 45.5 | Large or bold text, headings |
| #42A359 text on white | 3.17:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #42A359 text on black | 6.61:1 | AA | Lc -43.1 | 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 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
#C9E1CB
oklch(88.6% 0.039 147.6)
-
Step 300
300
#A2CEA8
oklch(81% 0.07 148.6)
-
Step 400
400
#6DB479
oklch(70.7% 0.112 148.4)
-
Step 500
500 (this color)
#42A359
oklch(63.9% 0.142 148.7)
-
Step 600
600
#0D8B3B
oklch(55.7% 0.155 148.7)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#056026
oklch(42.8% 0.119 148.6)
-
Step 900
900
#144E24
oklch(37.6% 0.092 148.8)
-
Step 950
950
#0E2E15
oklch(27% 0.059 148.3)
#42A359 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) | #A49653 | 0.114 |
| Deuteranopia (no green cones) | #988D5E | 0.114 |
| Tritanopia (no blue cones) | #29A091 | 0.080 |
| Achromatopsia (no color) | #909090 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A359
#42A359
oklch(63.9% 0.142 148.7)
- #BA6AB6
#BA6AB6
oklch(64% 0.141 328.9)
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 #42A359, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.024
- Mid Green #50A747 ΔE 0.027
- Seaweed Green #35AD6B ΔE 0.030
- Jade #1FA774 ΔE 0.033
- Jade Green #2BAF6A ΔE 0.034
- Algae #54AC68 ΔE 0.035
- Flat Green #699D4C ΔE 0.035
- Off Green #6BA353 ΔE 0.036
Use #42A359 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.