#1BB28C
Closest named color: Greeny Blue (#42B395). oklch(68.1% 0.13 169.8), rgb(27, 178, 140).
Aa
Black text reads best on this color (7.79:1).
About this color
#1BB28C is a medium-light, moderately saturated green. In OKLCH its lightness is 68%, its chroma 0.130 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.023 away. Black text reads best on it, at 7.79:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.79:1 |
| White text | 2.69:1 |
Values
| HEX | #1BB28C |
| RGB | rgb(27, 178, 140) |
| HSL | hsl(165, 74%, 40%) |
| OKLCH | oklch(68.1% 0.13 169.8) |
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 #1BB28C | 2.69:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #1BB28C | 7.79:1 | AAA | Lc 52.3 | Large or bold text, headings |
| #1BB28C text on white | 2.69:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #1BB28C text on black | 7.79:1 | AAA | Lc -50.1 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DBEFE7
oklch(93.5% 0.024 169.9)
-
Step 200
200
#BDE3D4
oklch(88.4% 0.045 169.4)
-
Step 300
300
#8AD2B8
oklch(80.9% 0.081 169.5)
-
Step 400
400 (this color)
#1BB28C
oklch(68.1% 0.13 169.8)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#1BB28C 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) | #ADA58A | 0.133 |
| Deuteranopia (no green cones) | #9B988F | 0.128 |
| Tritanopia (no blue cones) | #00B3A7 | 0.038 |
| Achromatopsia (no color) | #9E9E9E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB28C
#1BB28C
oklch(68.1% 0.13 169.8)
- #D475A4
#D475A4
oklch(68.2% 0.131 350.1)
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 #1BB28C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.023
- Bluey Green #2BB179 ΔE 0.025
- Dark Seafoam Green #3EAF76 ΔE 0.029
- Dark Seafoam #1FB57A ΔE 0.029
- Green Teal #0CB577 ΔE 0.034
- Medium Sea Green #3CB371 ΔE 0.038
- Jade #1FA774 ΔE 0.039
- Green Blue #01C08D ΔE 0.041
Use #1BB28C 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.