#B1D9D4
Closest named color: Celeste (#A8DADC). oklch(85.5% 0.043 187.1), rgb(177, 217, 212).
Aa
Black text reads best on this color (13.74:1).
About this color
#B1D9D4 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.043 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.014 away. Black text reads best on it, at 13.74:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.74:1 |
| White text | 1.52:1 |
Values
| HEX | #B1D9D4 |
| RGB | rgb(177, 217, 212) |
| HSL | hsl(173, 34%, 77%) |
| OKLCH | oklch(85.5% 0.043 187.1) |
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 #B1D9D4 | 1.52:1 | Fails | Lc -27.7 | Dividers and decoration only |
| Black text on #B1D9D4 | 13.74:1 | AAA | Lc 79.3 | Fine for body text |
| #B1D9D4 text on white | 1.52:1 | Fails | Lc 24.5 | Dividers and decoration only |
| #B1D9D4 text on black | 13.74:1 | AAA | Lc -78.7 | Fine for body text |
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 200.
-
Step 50
50
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200 (this color)
#B1D9D4
oklch(85.5% 0.043 187.1)
-
Step 300
300
#99CDC6
oklch(81% 0.055 185.9)
-
Step 400
400
#58B2AA
oklch(70.6% 0.087 187.7)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#012E2A
oklch(27.1% 0.047 185.7)
#B1D9D4 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) | #D5D4D4 | 0.046 |
| Deuteranopia (no green cones) | #CDCFD5 | 0.043 |
| Tritanopia (no blue cones) | #A6DBD7 | 0.013 |
| Achromatopsia (no color) | #D1D1D1 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B1D9D4
#B1D9D4
oklch(85.5% 0.043 187.1)
- #E9C5CA
#E9C5CA
oklch(85.6% 0.041 8.5)
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 #B1D9D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.014
- Powder Blue #B0E0E6 ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.026
- Cadet Gray #CED4DA ΔE 0.040
- Light Gray #D3D3D3 ΔE 0.044
- Tiffany Blue #94D2BD ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.053
- Pale Turquoise #AFEEEE ΔE 0.056
Use #B1D9D4 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.