#1BB679
Closest named color: Dark Seafoam (#1FB57A). oklch(68.7% 0.151 159.8), rgb(27, 182, 121).
Aa
Black text reads best on this color (8.01:1).
About this color
#1BB679 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.151 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam (#1FB57A), ΔE 0.004 away. Black text reads best on it, at 8.01:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Seafoam (#1FB57A) |
| Black text | 8.01:1 |
| White text | 2.62:1 |
Values
| HEX | #1BB679 |
| RGB | rgb(27, 182, 121) |
| HSL | hsl(156, 74%, 41%) |
| OKLCH | oklch(68.7% 0.151 159.8) |
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 #1BB679 | 2.62:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #1BB679 | 8.01:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #1BB679 text on white | 2.62:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #1BB679 text on black | 8.01:1 | AAA | Lc -51.4 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DBF0E4
oklch(93.6% 0.027 160.9)
-
Step 200
200
#BCE4CD
oklch(88.4% 0.052 159.9)
-
Step 300
300
#89D4AC
oklch(81% 0.094 160)
-
Step 400
400 (this color)
#1BB679
oklch(68.7% 0.151 159.8)
-
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)
#1BB679 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) | #B4A775 | 0.142 |
| Deuteranopia (no green cones) | #A29B7D | 0.137 |
| Tritanopia (no blue cones) | #00B5A6 | 0.065 |
| Achromatopsia (no color) | #A0A0A0 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BB679
#1BB679
oklch(68.7% 0.151 159.8)
- #D672B8
#D672B8
oklch(68.7% 0.151 339.7)
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 #1BB679, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam #1FB57A ΔE 0.004
- Green Teal #0CB577 ΔE 0.005
- Medium Sea Green #3CB371 ΔE 0.014
- Bluey Green #2BB179 ΔE 0.015
- Dark Seafoam Green #3EAF76 ΔE 0.022
- Jade Green #2BAF6A ΔE 0.023
- Seaweed Green #35AD6B ΔE 0.026
- Cool Green #33B864 ΔE 0.029
Use #1BB679 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.