#63AA9D
Closest named color: Dull Teal (#5F9E8F). oklch(68.7% 0.075 180.9), rgb(99, 170, 157).
Aa
Black text reads best on this color (7.76:1).
About this color
#63AA9D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 69%, its chroma 0.075 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.036 away. Black text reads best on it, at 7.76:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.76:1 |
| White text | 2.70:1 |
Values
| HEX | #63AA9D |
| RGB | rgb(99, 170, 157) |
| HSL | hsl(169, 29%, 53%) |
| OKLCH | oklch(68.7% 0.075 180.9) |
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 #63AA9D | 2.70:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #63AA9D | 7.76:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #63AA9D text on white | 2.70:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #63AA9D text on black | 7.76:1 | AAA | Lc -49.6 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C8DFDA
oklch(88.5% 0.025 181.2)
-
Step 300
300
#A0CBC2
oklch(80.9% 0.047 180.9)
-
Step 400
400 (this color)
#63AA9D
oklch(68.7% 0.075 180.9)
-
Step 500
500
#379C8D
oklch(63% 0.095 181.5)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#0E4C43
oklch(37.6% 0.062 180.7)
-
Step 950
950
#0C2D27
oklch(27.1% 0.04 179.1)
#63AA9D 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) | #A4A39D | 0.079 |
| Deuteranopia (no green cones) | #989A9E | 0.074 |
| Tritanopia (no blue cones) | #48ACA6 | 0.023 |
| Achromatopsia (no color) | #9D9D9D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63AA9D
#63AA9D
oklch(68.7% 0.075 180.9)
- #C28798
#C28798
oklch(68.7% 0.075 0.4)
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 #63AA9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.038
- Greeny Blue #42B395 ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.046
- Tea #65AB7C ΔE 0.048
- Greeny Grey #7EA07A ΔE 0.051
- Grey Green #86A17D ΔE 0.052
Use #63AA9D 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.