#99EEE1
Closest named color: Pale Turquoise (#AFEEEE). oklch(89.1% 0.085 183.7), rgb(153, 238, 225).
Aa
Black text reads best on this color (15.67:1).
About this color
#99EEE1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.085 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.031 away. Black text reads best on it, at 15.67:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 15.67:1 |
| White text | 1.34:1 |
Values
| HEX | #99EEE1 |
| RGB | rgb(153, 238, 225) |
| HSL | hsl(171, 71%, 77%) |
| OKLCH | oklch(89.1% 0.085 183.7) |
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 #99EEE1 | 1.34:1 | Fails | Lc -19.1 | Dividers and decoration only |
| Black text on #99EEE1 | 15.67:1 | AAA | Lc 87.0 | Fine for body text |
| #99EEE1 text on white | 1.34:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #99EEE1 text on black | 15.67:1 | AAA | Lc -87.0 | 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
#EBF9F6
oklch(97.1% 0.015 181.8)
-
Step 100
100
#D4F1EC
oklch(93.6% 0.031 184.2)
-
Step 200
200 (this color)
#99EEE1
oklch(89.1% 0.085 183.7)
-
Step 300
300
#62D8C8
oklch(81% 0.109 183.4)
-
Step 400
400
#00B9A9
oklch(70.6% 0.125 184)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#99EEE1 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) | #E6E5E1 | 0.090 |
| Deuteranopia (no green cones) | #D7DAE2 | 0.085 |
| Tritanopia (no blue cones) | #7BF1EA | 0.026 |
| Achromatopsia (no color) | #DEDEDE | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EEE1
#99EEE1
oklch(89.1% 0.085 183.7)
- #FFCBD7
#FFCBD7
oklch(89.1% 0.061 3)
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 #99EEE1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.031
- Robin's Egg Blue #98EFF9 ΔE 0.033
- Robin Egg Blue #8AF1FE ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.046
- Light Turquoise #7EF4CC ΔE 0.046
- Light Teal #90E4C1 ΔE 0.047
- Light Aqua #8CFFDB ΔE 0.050
- Robin's Egg #6DEDFD ΔE 0.050
Use #99EEE1 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.