#99EDDE
Closest named color: Pale Turquoise (#AFEEEE). oklch(88.8% 0.085 181.8), rgb(153, 237, 222).
Aa
Black text reads best on this color (15.52:1).
About this color
#99EDDE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.085 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.034 away. Black text reads best on it, at 15.52:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 15.52:1 |
| White text | 1.35:1 |
Values
| HEX | #99EDDE |
| RGB | rgb(153, 237, 222) |
| HSL | hsl(169, 70%, 76%) |
| OKLCH | oklch(88.8% 0.085 181.8) |
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 #99EDDE | 1.35:1 | Fails | Lc -19.7 | Dividers and decoration only |
| Black text on #99EDDE | 15.52:1 | AAA | Lc 86.4 | Fine for body text |
| #99EDDE text on white | 1.35:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #99EDDE text on black | 15.52:1 | AAA | Lc -86.4 | 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
#ECF9F6
oklch(97.2% 0.014 180.7)
-
Step 100
100
#D4F1EB
oklch(93.5% 0.031 181.8)
-
Step 200
200 (this color)
#99EDDE
oklch(88.8% 0.085 181.8)
-
Step 300
300
#64D8C5
oklch(81% 0.109 181.2)
-
Step 400
400
#00BAA6
oklch(70.8% 0.127 181.5)
-
Step 500
500
#009F8E
oklch(63% 0.113 181.8)
-
Step 600
600
#008677
oklch(55.6% 0.1 181.4)
-
Step 700
700
#007164
oklch(49.2% 0.089 181.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#99EDDE 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) | #E6E4DD | 0.090 |
| Deuteranopia (no green cones) | #D7D9DF | 0.085 |
| Tritanopia (no blue cones) | #7DF0E8 | 0.025 |
| Achromatopsia (no color) | #DDDDDD | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EDDE
#99EDDE
oklch(88.8% 0.085 181.8)
- #FFCAD7
#FFCAD7
oklch(88.9% 0.062 2.1)
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 #99EDDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.034
- Robin's Egg Blue #98EFF9 ΔE 0.036
- Robin Egg Blue #8AF1FE ΔE 0.042
- Light Teal #90E4C1 ΔE 0.043
- Light Turquoise #7EF4CC ΔE 0.044
- Powder Blue #B0E0E6 ΔE 0.046
- Light Aqua #8CFFDB ΔE 0.051
- Celeste #A8DADC ΔE 0.051
Use #99EDDE 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.