#42BB84
Closest named color: Green Blue (#01C08D). oklch(71% 0.135 160), rgb(66, 187, 132).
Aa
Black text reads best on this color (8.67:1).
About this color
#42BB84 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.135 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.021 away. Black text reads best on it, at 8.67:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 8.67:1 |
| White text | 2.42:1 |
Values
| HEX | #42BB84 |
| RGB | rgb(66, 187, 132) |
| HSL | hsl(153, 48%, 50%) |
| OKLCH | oklch(71% 0.135 160) |
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 #42BB84 | 2.42:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #42BB84 | 8.67:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #42BB84 text on white | 2.42:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #42BB84 text on black | 8.67:1 | 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
#DDEFE4
oklch(93.6% 0.024 159.1)
-
Step 200
200
#BFE3CF
oklch(88.4% 0.047 161)
-
Step 300
300
#90D2AE
oklch(80.9% 0.084 159.9)
-
Step 400
400 (this color)
#42BB84
oklch(71% 0.135 160)
-
Step 500
500
#00A36B
oklch(63.1% 0.143 160.1)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#42BB84 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) | #B9AD81 | 0.128 |
| Deuteranopia (no green cones) | #A9A288 | 0.124 |
| Tritanopia (no blue cones) | #00BAAC | 0.058 |
| Achromatopsia (no color) | #A6A6A6 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42BB84
#42BB84
oklch(71% 0.135 160)
- #D97EBC
#D97EBC
oklch(71.1% 0.136 340.1)
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 #42BB84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.021
- Greenblue #23C48B ΔE 0.025
- Dark Seafoam #1FB57A ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.030
- Dark Mint #48C072 ΔE 0.031
- Green Teal #0CB577 ΔE 0.033
- Bluey Green #2BB179 ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.035
Use #42BB84 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.