#25DDB1
Closest named color: Emerald (#06D6A0). oklch(80.2% 0.151 170.9), rgb(37, 221, 177).
Aa
Black text reads best on this color (12.05:1).
About this color
#25DDB1 is a light, vivid teal or cyan. In OKLCH its lightness is 80%, its chroma 0.151 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.028 away. Black text reads best on it, at 12.05:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 12.05:1 |
| White text | 1.74:1 |
Values
| HEX | #25DDB1 |
| RGB | rgb(37, 221, 177) |
| HSL | hsl(166, 73%, 51%) |
| OKLCH | oklch(80.2% 0.151 170.9) |
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 #25DDB1 | 1.74:1 | Fails | Lc -35.0 | Non-text elements, placeholder text |
| Black text on #25DDB1 | 12.05:1 | AAA | Lc 72.7 | Content text, not long reading |
| #25DDB1 text on white | 1.74:1 | Fails | Lc 31.1 | Non-text elements, placeholder text |
| #25DDB1 text on black | 12.05:1 | AAA | Lc -71.6 | 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
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CEF4E6
oklch(93.6% 0.044 171)
-
Step 200
200
#9FECD2
oklch(88.6% 0.084 171.1)
-
Step 300
300 (this color)
#25DDB1
oklch(80.2% 0.151 170.9)
-
Step 400
400
#00BC95
oklch(70.8% 0.139 170.9)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#25DDB1 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) | #D6CEAF | 0.154 |
| Deuteranopia (no green cones) | #C0BEB4 | 0.148 |
| Tritanopia (no blue cones) | #00DFD0 | 0.042 |
| Achromatopsia (no color) | #C4C4C4 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25DDB1
#25DDB1
oklch(80.2% 0.151 170.9)
- #FF99C9
#FF99C9
oklch(80.2% 0.134 350.9)
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 #25DDB1, closest first.
No curated palette has a color within ΔE 0.04 of #25DDB1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.028
- Aqua Marine #2EE8BB ΔE 0.031
- Turquoise #40E0D0 ΔE 0.045
- Aqua Green #12E193 ΔE 0.046
- Medium Aquamarine #66CDAA ΔE 0.049
- Seafoam Blue #78D1B6 ΔE 0.056
- Medium Turquoise #48D1CC ΔE 0.061
- Seaweed #18D17B ΔE 0.071
Use #25DDB1 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.