#28D5A2
Closest named color: Emerald (#06D6A0). oklch(77.8% 0.152 166.9), rgb(40, 213, 162).
Aa
Black text reads best on this color (11.12:1).
About this color
#28D5A2 is a medium-light, vivid green. In OKLCH its lightness is 78%, its chroma 0.152 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.008 away. Black text reads best on it, at 11.12:1.
| Hue family | Greens |
| Lightness | medium-light (78%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #28D5A2 |
| RGB | rgb(40, 213, 162) |
| HSL | hsl(162, 68%, 50%) |
| OKLCH | oklch(77.8% 0.152 166.9) |
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 #28D5A2 | 1.88:1 | Fails | Lc -39.5 | Non-text elements, placeholder text |
| Black text on #28D5A2 | 11.12:1 | AAA | Lc 68.6 | Content text, not long reading |
| #28D5A2 text on white | 1.88:1 | Fails | Lc 35.3 | Non-text elements, placeholder text |
| #28D5A2 text on black | 11.12:1 | AAA | Lc -67.2 | Content text, not long reading |
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 300.
-
Step 50
50
#E9FAF2
oklch(97% 0.021 166.1)
-
Step 100
100
#CFF4E4
oklch(93.6% 0.044 167.4)
-
Step 200
200
#A2ECCD
oklch(88.6% 0.085 166.4)
-
Step 300
300 (this color)
#28D5A2
oklch(77.8% 0.152 166.9)
-
Step 400
400
#00BC8D
oklch(70.6% 0.145 167)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#28D5A2 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) | #D0C59F | 0.152 |
| Deuteranopia (no green cones) | #BBB6A5 | 0.147 |
| Tritanopia (no blue cones) | #00D6C7 | 0.051 |
| Achromatopsia (no color) | #BDBDBD | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28D5A2
#28D5A2
oklch(77.8% 0.152 166.9)
- #FC8CCA
#FC8CCA
oklch(77.9% 0.153 346.9)
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 #28D5A2, closest first.
No curated palette has a color within ΔE 0.04 of #28D5A2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.008
- Medium Aquamarine #66CDAA ΔE 0.042
- Aqua Green #12E193 ΔE 0.045
- Seaweed #18D17B ΔE 0.050
- Greenblue #23C48B ΔE 0.051
- Aqua Marine #2EE8BB ΔE 0.056
- Seafoam Blue #78D1B6 ΔE 0.061
- Green Blue #01C08D ΔE 0.062
Use #28D5A2 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.