#28B38E
Closest named color: Greeny Blue (#42B395). oklch(68.6% 0.127 169.9), rgb(40, 179, 142).
Aa
Black text reads best on this color (7.92:1).
About this color
#28B38E is a medium-light, moderately saturated green. In OKLCH its lightness is 69%, its chroma 0.127 and its hue 170°. 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 7.92:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.92:1 |
| White text | 2.64:1 |
Values
| HEX | #28B38E |
| RGB | rgb(40, 179, 142) |
| HSL | hsl(164, 63%, 43%) |
| OKLCH | oklch(68.6% 0.127 169.9) |
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 #28B38E | 2.64:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #28B38E | 7.92:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #28B38E text on white | 2.64:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #28B38E text on black | 7.92:1 | AAA | Lc -50.8 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BEE3D5
oklch(88.5% 0.043 170.4)
-
Step 300
300
#8CD2B9
oklch(81% 0.079 169.9)
-
Step 400
400 (this color)
#28B38E
oklch(68.6% 0.127 169.9)
-
Step 500
500
#00A17E
oklch(63.1% 0.125 170.2)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#28B38E 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) | #AEA68C | 0.130 |
| Deuteranopia (no green cones) | #9C9A91 | 0.124 |
| Tritanopia (no blue cones) | #00B4A8 | 0.037 |
| Achromatopsia (no color) | #9F9F9F | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B38E
#28B38E
oklch(68.6% 0.127 169.9)
- #D478A5
#D478A5
oklch(68.7% 0.126 350.2)
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 #28B38E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.018
- Bluey Green #2BB179 ΔE 0.028
- Dark Seafoam Green #3EAF76 ΔE 0.031
- Dark Seafoam #1FB57A ΔE 0.031
- Green Teal #0CB577 ΔE 0.036
- Green Blue #01C08D ΔE 0.039
- Medium Sea Green #3CB371 ΔE 0.039
- Tea #65AB7C ΔE 0.042
Use #28B38E 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.