#42BE80
Closest named color: Greenblue (#23C48B). oklch(71.7% 0.143 157.6), rgb(66, 190, 128).
Aa
Black text reads best on this color (8.90:1).
About this color
#42BE80 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.143 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.019 away. Black text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 8.90:1 |
| White text | 2.35:1 |
Values
| HEX | #42BE80 |
| RGB | rgb(66, 190, 128) |
| HSL | hsl(150, 49%, 50%) |
| OKLCH | oklch(71.7% 0.143 157.6) |
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 #42BE80 | 2.35:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #42BE80 | 8.90:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #42BE80 text on white | 2.35:1 | Fails | Lc 46.1 | Large or bold text, headings |
| #42BE80 text on black | 8.90:1 | AAA | Lc -55.9 | 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 400.
-
Step 50
50
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DCEFE3
oklch(93.5% 0.026 158.2)
-
Step 200
200
#BFE4CD
oklch(88.6% 0.05 157.9)
-
Step 300
300
#8FD2AA
oklch(80.8% 0.089 157.5)
-
Step 400
400 (this color)
#42BE80
oklch(71.7% 0.143 157.6)
-
Step 500
500
#00A365
oklch(63% 0.148 157.8)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#004F2E
oklch(37.6% 0.089 157.5)
-
Step 950
950
#002F1A
oklch(26.9% 0.063 158.2)
#42BE80 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) | #BDB07C | 0.132 |
| Deuteranopia (no green cones) | #ACA484 | 0.128 |
| Tritanopia (no blue cones) | #00BDAE | 0.065 |
| Achromatopsia (no color) | #A9A9A9 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42BE80
#42BE80
oklch(71.7% 0.143 157.6)
- #DC7EC3
#DC7EC3
oklch(71.7% 0.143 337.7)
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 #42BE80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.019
- Dark Mint #48C072 ΔE 0.020
- Green Blue #01C08D ΔE 0.021
- Dark Mint Green #20C073 ΔE 0.026
- Dark Seafoam #1FB57A ΔE 0.033
- Medium Sea Green #3CB371 ΔE 0.034
- Algae Green #21C36F ΔE 0.034
- Green Teal #0CB577 ΔE 0.036
Use #42BE80 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.