#42A153
Closest named color: Muted Green (#5FA052). oklch(63.3% 0.145 147.2), rgb(66, 161, 83).
Aa
Black text reads best on this color (6.45:1).
About this color
#42A153 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.145 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.025 away. Black text reads best on it, at 6.45:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #42A153 |
| RGB | rgb(66, 161, 83) |
| HSL | hsl(131, 42%, 45%) |
| OKLCH | oklch(63.3% 0.145 147.2) |
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 #42A153 | 3.25:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #42A153 | 6.45:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #42A153 text on white | 3.25:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #42A153 text on black | 6.45:1 | AA | Lc -42.2 | 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
#E1EEE2
oklch(93.6% 0.021 147.6)
-
Step 200
200
#C9E1CA
oklch(88.6% 0.04 146.4)
-
Step 300
300
#A3CEA6
oklch(81% 0.072 146.7)
-
Step 400
400
#6EB477
oklch(70.8% 0.113 147.3)
-
Step 500
500 (this color)
#42A153
oklch(63.3% 0.145 147.2)
-
Step 600
600
#148B36
oklch(55.7% 0.158 147.2)
-
Step 700
700
#007528
oklch(49% 0.145 147.1)
-
Step 800
800
#0A6022
oklch(42.8% 0.122 147)
-
Step 900
900
#154E21
oklch(37.5% 0.094 147.2)
-
Step 950
950
#0F2E14
oklch(27% 0.06 146.9)
#42A153 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) | #A3944D | 0.115 |
| Deuteranopia (no green cones) | #968B58 | 0.113 |
| Tritanopia (no blue cones) | #2C9E8F | 0.085 |
| Achromatopsia (no color) | #8F8F8F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A153
#42A153
oklch(63.3% 0.145 147.2)
- #B767B7
#B767B7
oklch(63.2% 0.145 327.1)
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 #42A153, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.025
- Mid Green #50A747 ΔE 0.027
- Flat Green #699D4C ΔE 0.035
- Seaweed Green #35AD6B ΔE 0.037
- Off Green #6BA353 ΔE 0.039
- Jade #1FA774 ΔE 0.039
- Fern #63A950 ΔE 0.040
- Medium Green #39AD48 ΔE 0.041
Use #42A153 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.