#1BC09B
Closest named color: Green Blue (#01C08D). oklch(72.2% 0.136 171.8), rgb(27, 192, 155).
Aa
Black text reads best on this color (9.05:1).
About this color
#1BC09B is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.136 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.021 away. Black text reads best on it, at 9.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Green Blue (#01C08D) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #1BC09B |
| RGB | rgb(27, 192, 155) |
| HSL | hsl(167, 75%, 43%) |
| OKLCH | oklch(72.2% 0.136 171.8) |
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 #1BC09B | 2.31:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #1BC09B | 9.05:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #1BC09B text on white | 2.31:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #1BC09B text on black | 9.05:1 | AAA | Lc -56.9 | 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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DAF0E8
oklch(93.7% 0.025 171.9)
-
Step 200
200
#BBE4D5
oklch(88.5% 0.047 171)
-
Step 300
300
#85D3BA
oklch(80.9% 0.085 171.7)
-
Step 400
400 (this color)
#1BC09B
oklch(72.2% 0.136 171.8)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#1BC09B 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) | #BAB399 | 0.140 |
| Deuteranopia (no green cones) | #A6A49E | 0.135 |
| Tritanopia (no blue cones) | #00C2B5 | 0.036 |
| Achromatopsia (no color) | #AAAAAA | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BC09B
#1BC09B
oklch(72.2% 0.136 171.8)
- #E57FAE
#E57FAE
oklch(72.2% 0.136 352)
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 #1BC09B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.021
- Greenblue #23C48B ΔE 0.028
- Greeny Blue #42B395 ΔE 0.036
- Topaz #13BBAF ΔE 0.037
- Dark Seafoam #1FB57A ΔE 0.048
- Green Teal #0CB577 ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.053
- Bluey Green #2BB179 ΔE 0.053
Use #1BC09B 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.