#99EFC1
Closest named color: Light Turquoise (#7EF4CC). oklch(88.5% 0.106 159.9), rgb(153, 239, 193).
Aa
Black text reads best on this color (15.47:1).
About this color
#99EFC1 is a light, moderately saturated green. In OKLCH its lightness is 88%, its chroma 0.106 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Turquoise (#7EF4CC), ΔE 0.025 away. Black text reads best on it, at 15.47:1.
| Hue family | Greens |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Light Turquoise (#7EF4CC) |
| Black text | 15.47:1 |
| White text | 1.35:1 |
Values
| HEX | #99EFC1 |
| RGB | rgb(153, 239, 193) |
| HSL | hsl(148, 73%, 77%) |
| OKLCH | oklch(88.5% 0.106 159.9) |
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 #99EFC1 | 1.35:1 | Fails | Lc -19.9 | Dividers and decoration only |
| Black text on #99EFC1 | 15.47:1 | AAA | Lc 86.3 | Fine for body text |
| #99EFC1 text on white | 1.35:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #99EFC1 text on black | 15.47:1 | AAA | Lc -86.2 | 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
#ECF9F1
oklch(97% 0.017 159.1)
-
Step 100
100
#D4F2E1
oklch(93.5% 0.039 160.8)
-
Step 200
200 (this color)
#99EFC1
oklch(88.5% 0.106 159.9)
-
Step 300
300
#66DBA2
oklch(80.8% 0.135 159.9)
-
Step 400
400
#00BE7D
oklch(70.7% 0.16 159.9)
-
Step 500
500
#00A36A
oklch(63.1% 0.143 159.7)
-
Step 600
600
#008959
oklch(55.6% 0.126 160)
-
Step 700
700
#00734A
oklch(49% 0.111 160)
-
Step 800
800
#005F3C
oklch(42.8% 0.097 159.8)
-
Step 900
900
#004F31
oklch(37.7% 0.086 159.7)
-
Step 950
950
#002F1C
oklch(26.9% 0.06 160.5)
#99EFC1 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) | #EDE3BF | 0.101 |
| Deuteranopia (no green cones) | #DFD9C4 | 0.098 |
| Tritanopia (no blue cones) | #86EEE2 | 0.047 |
| Achromatopsia (no color) | #DDDDDD | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99EFC1
#99EFC1
oklch(88.5% 0.106 159.9)
- #FFC4EA
#FFC4EA
oklch(88.4% 0.083 340.1)
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 #99EFC1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Turquoise #7EF4CC ΔE 0.025
- Light Teal #90E4C1 ΔE 0.033
- Hospital Green #9BE5AA ΔE 0.033
- Light Sage #BCECAC ΔE 0.040
- Light Aquamarine #7BFDC7 ΔE 0.041
- Aquamarine #7FFFD4 ΔE 0.043
- Light Seafoam #A0FEBF ΔE 0.043
- Light Aqua #8CFFDB ΔE 0.045
Use #99EFC1 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.