#42AF89
Closest named color: Greeny Blue (#42B395). oklch(68.1% 0.115 166.6), rgb(66, 175, 137).
Aa
Black text reads best on this color (7.72:1).
About this color
#42AF89 is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.115 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.018 away. Black text reads best on it, at 7.72:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #42AF89 |
| RGB | rgb(66, 175, 137) |
| HSL | hsl(159, 45%, 47%) |
| OKLCH | oklch(68.1% 0.115 166.6) |
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 #42AF89 | 2.71:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #42AF89 | 7.72:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #42AF89 text on white | 2.71:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #42AF89 text on black | 7.72:1 | AAA | Lc -49.5 | 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
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DEEFE7
oklch(93.7% 0.021 166.1)
-
Step 200
200
#C1E2D3
oklch(88.5% 0.04 166.2)
-
Step 300
300
#94D0B7
oklch(81% 0.071 166.9)
-
Step 400
400 (this color)
#42AF89
oklch(68.1% 0.115 166.6)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008864
oklch(55.6% 0.115 166.4)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E44
oklch(42.7% 0.088 166.3)
-
Step 900
900
#004E38
oklch(37.6% 0.078 166.4)
-
Step 950
950
#002F20
oklch(27.1% 0.056 165.8)
#42AF89 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) | #ABA387 | 0.115 |
| Deuteranopia (no green cones) | #9C988B | 0.111 |
| Tritanopia (no blue cones) | #00B0A4 | 0.040 |
| Achromatopsia (no color) | #9D9D9D | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42AF89
#42AF89
oklch(68.1% 0.115 166.6)
- #CC7AA7
#CC7AA7
oklch(68.1% 0.116 346.6)
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 #42AF89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.018
- Dark Seafoam Green #3EAF76 ΔE 0.027
- Tea #65AB7C ΔE 0.029
- Bluey Green #2BB179 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.036
- Medium Sea Green #3CB371 ΔE 0.039
- Jade #1FA774 ΔE 0.041
- Green Teal #0CB577 ΔE 0.041
Use #42AF89 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.