#55BB99
Closest named color: Greeny Blue (#42B395). oklch(72.2% 0.108 168.7), rgb(85, 187, 153).
Aa
Black text reads best on this color (8.95:1).
About this color
#55BB99 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.108 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.028 away. Black text reads best on it, at 8.95:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #55BB99 |
| RGB | rgb(85, 187, 153) |
| HSL | hsl(160, 43%, 53%) |
| OKLCH | oklch(72.2% 0.108 168.7) |
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 #55BB99 | 2.34:1 | Fails | Lc -50.9 | Large or bold text, headings |
| Black text on #55BB99 | 8.95:1 | AAA | Lc 58.0 | Large or bold text, headings |
| #55BB99 text on white | 2.34:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #55BB99 text on black | 8.95:1 | AAA | Lc -56.1 | 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
#F0F7F4
oklch(97% 0.008 168.8)
-
Step 100
100
#DEEEE7
oklch(93.5% 0.019 167.9)
-
Step 200
200
#C2E2D5
oklch(88.6% 0.038 169)
-
Step 300
300
#95CFB9
oklch(80.8% 0.068 169.1)
-
Step 400
400 (this color)
#55BB99
oklch(72.2% 0.108 168.7)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008867
oklch(55.7% 0.112 168.2)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E46
oklch(42.8% 0.087 168)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#55BB99 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) | #B7B097 | 0.110 |
| Deuteranopia (no green cones) | #A7A59B | 0.105 |
| Tritanopia (no blue cones) | #26BCB1 | 0.038 |
| Achromatopsia (no color) | #A9A9A9 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55BB99
#55BB99
oklch(72.2% 0.108 168.7)
- #D888B0
#D888B0
oklch(72.1% 0.109 348.8)
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 #55BB99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.028
- Topaz #13BBAF ΔE 0.039
- Green Blue #01C08D ΔE 0.042
- Greenblue #23C48B ΔE 0.045
- Tea #65AB7C ΔE 0.049
- Light Sea Green #20B2AA ΔE 0.050
- Faded Green #7BB274 ΔE 0.052
- Medium Aquamarine #66CDAA ΔE 0.055
Use #55BB99 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.