#B9BC59
Closest named color: Light Olive (#ACBF69). oklch(77.2% 0.123 110.5), rgb(185, 188, 89).
Aa
Black text reads best on this color (10.40:1).
About this color
#B9BC59 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 77%, its chroma 0.123 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Olive (#ACBF69), ΔE 0.020 away. Black text reads best on it, at 10.40:1.
| Hue family | Yellows |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Light Olive (#ACBF69) |
| Black text | 10.40:1 |
| White text | 2.01:1 |
Values
| HEX | #B9BC59 |
| RGB | rgb(185, 188, 89) |
| HSL | hsl(62, 42%, 54%) |
| OKLCH | oklch(77.2% 0.123 110.5) |
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 #B9BC59 | 2.01:1 | Fails | Lc -43.6 | Non-text elements, placeholder text |
| Black text on #B9BC59 | 10.40:1 | AAA | Lc 64.8 | Content text, not long reading |
| #B9BC59 text on white | 2.01:1 | Fails | Lc 39.1 | Non-text elements, placeholder text |
| #B9BC59 text on black | 10.40:1 | AAA | Lc -63.2 | Content text, not long reading |
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 300.
-
Step 50
50
#F6F7EA
oklch(97.2% 0.017 110.3)
-
Step 100
100
#EBEDD2
oklch(93.7% 0.036 110.5)
-
Step 200
200
#DBDEAA
oklch(88.5% 0.068 110.5)
-
Step 300
300 (this color)
#B9BC59
oklch(77.2% 0.123 110.5)
-
Step 400
400
#A6A800
oklch(70.6% 0.155 110.6)
-
Step 500
500
#8E9000
oklch(63.1% 0.138 110.8)
-
Step 600
600
#787900
oklch(55.7% 0.122 110.4)
-
Step 700
700
#646500
oklch(49% 0.107 110.5)
-
Step 800
800
#525300
oklch(42.7% 0.094 110.6)
-
Step 900
900
#444500
oklch(37.7% 0.083 110.7)
-
Step 950
950
#282900
oklch(27.1% 0.06 111.2)
#B9BC59 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) | #C9B54F | 0.026 |
| Deuteranopia (no green cones) | #CAB85E | 0.028 |
| Tritanopia (no blue cones) | #C4B2A6 | 0.109 |
| Achromatopsia (no color) | #B6B6B6 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B9BC59
#B9BC59
oklch(77.2% 0.123 110.5)
- #B5A7FE
#B5A7FE
oklch(77.3% 0.123 290.6)
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 #B9BC59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Olive #ACBF69 ΔE 0.020
- Dark Khaki #BDB76B ΔE 0.028
- Light Olive Green #A4BE5C ΔE 0.028
- Tan Green #A9BE70 ΔE 0.028
- Light Moss Green #A6C875 ΔE 0.039
- Olive Yellow #C2B709 ΔE 0.041
- Greenish Tan #BCCB7A ΔE 0.045
- Mustard #CEB301 ΔE 0.047
Use #B9BC59 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.