#42BB86
Closest named color: Green Blue (#01C08D). oklch(71.1% 0.133 160.9), rgb(66, 187, 134).
Aa
Black text reads best on this color (8.68:1).
About this color
#42BB86 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.133 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.020 away. Black text reads best on it, at 8.68:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.133) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.68:1 |
| White text | 2.41:1 |
Values
| HEX | #42BB86 |
| RGB | rgb(66, 187, 134) |
| HSL | hsl(154, 48%, 50%) |
| OKLCH | oklch(71.1% 0.133 160.9) |
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 #42BB86 | 2.41:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #42BB86 | 8.68:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #42BB86 text on white | 2.41:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #42BB86 text on black | 8.68:1 | AAA | Lc -54.7 | 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
#EFF8F3
oklch(97.1% 0.012 162.1)
-
Step 100
100
#DDEFE5
oklch(93.6% 0.023 161.7)
-
Step 200
200
#BFE3CF
oklch(88.4% 0.047 161)
-
Step 300
300
#90D2AF
oklch(81% 0.084 160.6)
-
Step 400
400 (this color)
#42BB86
oklch(71.1% 0.133 160.9)
-
Step 500
500
#00A36D
oklch(63.2% 0.141 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#42BB86 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) | #B9AE83 | 0.127 |
| Deuteranopia (no green cones) | #A8A289 | 0.123 |
| Tritanopia (no blue cones) | #00BAAD | 0.057 |
| Achromatopsia (no color) | #A7A7A7 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42BB86
#42BB86
oklch(71.1% 0.133 160.9)
- #D97FBB
#D97FBB
oklch(71.2% 0.133 340.8)
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 #42BB86, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.020
- Greenblue #23C48B ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.029
- Medium Sea Green #3CB371 ΔE 0.032
- Dark Mint #48C072 ΔE 0.034
- Green Teal #0CB577 ΔE 0.034
- Bluey Green #2BB179 ΔE 0.035
- Dark Seafoam Green #3EAF76 ΔE 0.036
Use #42BB86 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.