#99CBD4
Closest named color: Light Cornflower Blue (#98C1D9). oklch(81% 0.054 209.8), rgb(153, 203, 212).
Aa
Black text reads best on this color (11.84:1).
About this color
#99CBD4 is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.054 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.031 away. Black text reads best on it, at 11.84:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.84:1 |
| White text | 1.77:1 |
Values
| HEX | #99CBD4 |
| RGB | rgb(153, 203, 212) |
| HSL | hsl(189, 41%, 72%) |
| OKLCH | oklch(81% 0.054 209.8) |
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 #99CBD4 | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #99CBD4 | 11.84:1 | AAA | Lc 71.3 | Content text, not long reading |
| #99CBD4 text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #99CBD4 text on black | 11.84:1 | AAA | Lc -70.1 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDEF
oklch(93.6% 0.015 207.1)
-
Step 200
200
#C4DFE4
oklch(88.5% 0.029 210)
-
Step 300
300 (this color)
#99CBD4
oklch(81% 0.054 209.8)
-
Step 400
400
#59AFBE
oklch(70.6% 0.086 210.3)
-
Step 500
500
#009BAE
oklch(63.2% 0.109 210)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#022C33
oklch(27% 0.045 211.6)
#99CBD4 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) | #C2C7D5 | 0.051 |
| Deuteranopia (no green cones) | #B8BFD4 | 0.047 |
| Tritanopia (no blue cones) | #85D0CE | 0.028 |
| Achromatopsia (no color) | #C2C2C2 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99CBD4
#99CBD4
oklch(81% 0.054 209.8)
- #E2B5AD
#E2B5AD
oklch(81.1% 0.054 29.9)
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 #99CBD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.031
- Sky Blue #87CEEB ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.044
- Celeste #A8DADC ΔE 0.045
Use #99CBD4 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.