#42CA95
Closest named color: Greenblue (#23C48B). oklch(75.2% 0.141 163.1), rgb(66, 202, 149).
Aa
Black text reads best on this color (10.11:1).
About this color
#42CA95 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.141 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.026 away. Black text reads best on it, at 10.11:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.11:1 |
| White text | 2.07:1 |
Values
| HEX | #42CA95 |
| RGB | rgb(66, 202, 149) |
| HSL | hsl(157, 56%, 53%) |
| OKLCH | oklch(75.2% 0.141 163.1) |
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 #42CA95 | 2.07:1 | Fails | Lc -44.7 | Non-text elements, placeholder text |
| Black text on #42CA95 | 10.11:1 | AAA | Lc 63.8 | Content text, not long reading |
| #42CA95 text on white | 2.07:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #42CA95 text on black | 10.11:1 | AAA | Lc -62.1 | Content text, not long reading |
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 400.
-
Step 50
50
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DBF0E5
oklch(93.7% 0.027 163.2)
-
Step 200
200
#BDE4D0
oklch(88.5% 0.049 163)
-
Step 300
300
#8AD3B1
oklch(80.9% 0.088 163.5)
-
Step 400
400 (this color)
#42CA95
oklch(75.2% 0.141 163.1)
-
Step 500
500
#00A271
oklch(63% 0.136 163)
-
Step 600
600
#00895F
oklch(55.7% 0.12 163.1)
-
Step 700
700
#00734F
oklch(49.1% 0.106 163)
-
Step 800
800
#005E40
oklch(42.6% 0.092 163.1)
-
Step 900
900
#004F35
oklch(37.8% 0.082 162.9)
-
Step 950
950
#002F1E
oklch(27% 0.058 163)
#42CA95 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) | #C7BC92 | 0.137 |
| Deuteranopia (no green cones) | #B5AF98 | 0.132 |
| Tritanopia (no blue cones) | #00CABC | 0.055 |
| Achromatopsia (no color) | #B4B4B4 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42CA95
#42CA95
oklch(75.2% 0.141 163.1)
- #EB89C6
#EB89C6
oklch(75.3% 0.14 343)
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 #42CA95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.026
- Emerald #06D6A0 ΔE 0.033
- Green Blue #01C08D ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.041
- Soft Green #6FC276 ΔE 0.043
- Dark Mint #48C072 ΔE 0.045
- Seaweed #18D17B ΔE 0.048
- Dark Mint Green #20C073 ΔE 0.052
Use #42CA95 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.