#25B7B1
Closest named color: Topaz (#13BBAF). oklch(70.7% 0.115 190.5), rgb(37, 183, 177).
Aa
Black text reads best on this color (8.48:1).
About this color
#25B7B1 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.115 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.013 away. Black text reads best on it, at 8.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.48:1 |
| White text | 2.47:1 |
Values
| HEX | #25B7B1 |
| RGB | rgb(37, 183, 177) |
| HSL | hsl(178, 66%, 43%) |
| OKLCH | oklch(70.7% 0.115 190.5) |
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 #25B7B1 | 2.47:1 | Fails | Lc -53.2 | Large or bold text, headings |
| Black text on #25B7B1 | 8.48:1 | AAA | Lc 55.8 | Large or bold text, headings |
| #25B7B1 text on white | 2.47:1 | Fails | Lc 48.2 | Large or bold text, headings |
| #25B7B1 text on black | 8.48:1 | AAA | Lc -53.8 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200
#BCE2DF
oklch(88.5% 0.04 190.6)
-
Step 300
300
#88D0CB
oklch(80.9% 0.072 190.3)
-
Step 400
400 (this color)
#25B7B1
oklch(70.7% 0.115 190.5)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#25B7B1 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) | #ACADB1 | 0.122 |
| Deuteranopia (no green cones) | #989FB2 | 0.113 |
| Tritanopia (no blue cones) | #00BCB5 | 0.014 |
| Achromatopsia (no color) | #A5A5A5 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #25B7B1
#25B7B1
oklch(70.7% 0.115 190.5)
- #DE818F
#DE818F
oklch(70.7% 0.115 10.8)
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 #25B7B1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.013
- Light Sea Green #20B2AA ΔE 0.016
- Turquoise Blue #06B1C4 ΔE 0.038
- Greeny Blue #42B395 ΔE 0.038
- Green Blue #01C08D ΔE 0.067
- Dark Turquoise #00CED1 ΔE 0.068
- Cadet Blue #5F9EA0 ΔE 0.071
- Tea #65AB7C ΔE 0.074
Use #25B7B1 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.